package dao;

import java.util.List;
import java.util.Set;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * TbQuestion entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see dao.TbQuestion
 * @author MyEclipse Persistence Tools
 */

public class TbQuestionDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(TbQuestionDAO.class);
	// property constants
	public static final String CONTENT = "content";
	public static final String OPTION_A = "optionA";
	public static final String OPTION_B = "optionB";
	public static final String OPTION_C = "optionC";
	public static final String OPTION_D = "optionD";
	public static final String ANSWER = "answer";
	public static final String IS_MULTIPLE = "isMultiple";

	public void save(TbQuestion transientInstance) {
		log.debug("saving TbQuestion instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(TbQuestion persistentInstance) {
		log.debug("deleting TbQuestion instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public TbQuestion findById(java.lang.Integer id) {
		log.debug("getting TbQuestion instance with id: " + id);
		try {
			TbQuestion instance = (TbQuestion) getSession().get(
					"dao.TbQuestion", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(TbQuestion instance) {
		log.debug("finding TbQuestion instance by example");
		try {
			List results = getSession().createCriteria("dao.TbQuestion")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding TbQuestion instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TbQuestion as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByContent(Object content) {
		return findByProperty(CONTENT, content);
	}

	public List findByOptionA(Object optionA) {
		return findByProperty(OPTION_A, optionA);
	}

	public List findByOptionB(Object optionB) {
		return findByProperty(OPTION_B, optionB);
	}

	public List findByOptionC(Object optionC) {
		return findByProperty(OPTION_C, optionC);
	}

	public List findByOptionD(Object optionD) {
		return findByProperty(OPTION_D, optionD);
	}

	public List findByAnswer(Object answer) {
		return findByProperty(ANSWER, answer);
	}

	public List findByIsMultiple(Object isMultiple) {
		return findByProperty(IS_MULTIPLE, isMultiple);
	}

	public List findAll() {
		log.debug("finding all TbQuestion instances");
		try {
			String queryString = "from TbQuestion";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public TbQuestion merge(TbQuestion detachedInstance) {
		log.debug("merging TbQuestion instance");
		try {
			TbQuestion result = (TbQuestion) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(TbQuestion instance) {
		log.debug("attaching dirty TbQuestion instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(TbQuestion instance) {
		log.debug("attaching clean TbQuestion instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}